﻿<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
    <title>无标题页</title>
    <script type="text/javascript">
    function toggleDiv(cb)
    {
        var div1 = document.getElementById("div1");
        if(cb.checked)
        {
            div1.style.display = "";
        }
        else
        {
            div1.style.display = "none";
        }
    }
    </script>
</head>
<body>
<input type="checkbox" id="divcheck" onclick="toggleDiv(this)"/><label for="divcheck">显示高级选项</label>
<div id="div1" style="display:none">这里是高级选项</div>
</body>
</html>
